CN102105936A

CN102105936A - Vehicle system

Info

Publication number: CN102105936A
Application number: CN2009801302947A
Authority: CN
Inventors: 宫田一男
Original assignee: Mitsubishi Electric Corp
Current assignee: Mitsubishi Electric Corp
Priority date: 2008-08-05
Filing date: 2009-05-14
Publication date: 2011-06-22
Anticipated expiration: 2029-05-14
Also published as: US20110093678A1; JP4920786B2; JPWO2010016172A1; US8607015B2; CN102105936B; DE112009001617T5; WO2010016172A1

Abstract

The control unit of the in-vehicle system (main CPU10 of main unit 1) determines whether or not the conditions for issuing the initialization command set and stored in the storage unit match at the time of first start after the portable storage device (DVD drive 10) is assembled or at the time of first start after the portable storage device is mounted in the vehicle, and if the conditions match, transmits the initialization command to the portable storage device.

Description

Onboard system

Technical field

The present invention relates to onboard system, this onboard system comprises: DVD (Digital Versatile Disc: the in-vehicle information apparatus of portable storage facilities such as driver digital versatile disc) for example is installed; The control zone network) and by CAN (Control Area Network: the external unit that is connected with in-vehicle information apparatus of serial communication paths such as.

Background technology

In-vehicle information apparatus (below, be called formant) except navigation feature, also have higher recreational, can handle various videos, sound etc., so that the passenger in the compartment cosily spends the time, in addition, generally also tend in car, be provided with AV (the Audio Visual: audiovisual) equipment of many reset this video, sound.Therefore, current DVD is necessary equipment as the video playback source.

Yet the DVD driver be not provided under the state of power supply, and because of the distinctive vibration of vehicle, impact etc., mechanism such as pick-up head, main shaft parts can be offset from default location sometimes.Therefore, need when starting, implement the action that initialization action (being adapted to default location) is guaranteed the DVD driver.

Above-mentioned initialization action is normally managed by the mark of the predetermined zone (marked region) that is assigned to the nonvolatile memory that above-mentioned formant has.For example, in the existing memory storage (semiconductor memory, CD, disk) that needs initial setting, known have a following memory storage: promptly, main system (portable terminal) can be carried out initial setting easily, and can prevent unwanted rewriting expection set information (for example, with reference to patent documentation 1).

The prior art document

[patent documentation]

Patent documentation 1: the Jap.P. spy opens the 2003-323392 communique

Yet, defective for the related generation of skew of mechanism's parts of the DVD driver that causes because of above-mentioned vibration, impact, be assumed to be when the assembling of streamline operation, when carrying, produce when being installed on the car, after starting the time, need carry out especially being adapted to the initialization action of default location by mechanism's parts of servo-drive system control.

Yet, the time carry out under the situation of initialization action of mechanism's parts of above-mentioned DVD driver in starting at every turn, to produce offending mechanical sound when carrying out position alignment, and can cause all making the user to hear this machinery sound at every turn being used to be adapted to default location, therefore undesirable.Can take place too under the situation of startings such as above-mentioned situation is promptly navigated in the application that the mechanism's parts with the DVD driver have nothing to do, radio, become the user is brought unhappiness, uncomfortable reason.

The present invention finishes in order to address the above problem, its purpose is to provide a kind of onboard system, this onboard system is carried out the chance of initialization action by the restriction of trying one's best, thereby suppresses the generation of mechanical sound, avoids the user is brought unhappiness, uncomfortable feeling.

Summary of the invention

In order to address the above problem, onboard system of the present invention comprises: in-vehicle information apparatus, and this in-vehicle information apparatus is equipped with portable storage facilities; And external unit, this external unit is connected with above-mentioned in-vehicle information apparatus by serial communication paths, onboard system comprises: the condition of sending of mechanism's parts of above-mentioned portable storage facilities being carried out the initialization command of position alignment is set and stored to storage part, this storage part;

And control part, this control part is when the first start of assembling behind the above-mentioned portable storage facilities, whether the condition of sending of initialization command of above-mentioned storage part is consistent judges to being stored in setting, under the situation of unanimity, above-mentioned portable storage facilities is sent above-mentioned initialization command, during first start after being installed to above-mentioned portable storage facilities on the vehicle, whether the condition of sending of initialization command of above-mentioned storage part is consistent judges to being stored in setting, under the situation of unanimity, above-mentioned portable storage facilities is sent above-mentioned initialization command.

According to onboard system of the present invention, carry out the chance of initialization action by the restriction of trying one's best, thereby suppress the generation of mechanical sound, avoid the user is brought unhappiness, uncomfortable feeling.

Description of drawings

Fig. 1 is the block scheme of system architecture of the onboard system of expression embodiments of the present invention 1.

Fig. 2 is that the structure of program that the built-in CPU of host CPU in the formant of the onboard system of embodiments of the present invention 1 and DVD driver is performed carries out that function is launched and the block scheme of expression.

Fig. 3 is the process flow diagram of action of situation (1) of the onboard system of expression embodiments of the present invention 1.

Fig. 4 is the process flow diagram of action of situation (2) of the onboard system of expression embodiments of the present invention 1.

Fig. 5 is the process flow diagram of action of situation (3) of the onboard system of expression embodiments of the present invention 1.

Fig. 6 is the process flow diagram of action of situation (4) of the onboard system of expression embodiments of the present invention 1.

Fig. 7 is the process flow diagram of action of situation (5) of the onboard system of expression embodiments of the present invention 1.

Fig. 8 is the process flow diagram of action of situation (6) of the onboard system of expression embodiments of the present invention 1.

Fig. 9 is the process flow diagram of the action handled of the system finishing of expression embodiments of the present invention 1.

Figure 10 is illustrated in figure employed in the onboard system of embodiments of the present invention 1, that initialization command produces the relation of condition and mark with form.

Embodiment

Below, in order to illustrate in greater detail the present invention, describe being used to implement mode of the present invention with reference to the accompanying drawings.

Embodiment 1

Fig. 1 is the block scheme of structure of the onboard system of expression embodiments of the present invention 1.As shown in Figure 1, the onboard system of embodiments of the present invention 1 comprises: formant 1, this formant 1 are the in-vehicle information apparatus that is equipped with as the DVD driver 20 of portable storage facilities; And as a plurality of ECU (electronic control unit) 2 of external unit, this as a plurality of ECU (electronic control unit) 2 of external unit via (Local Area Network: LAN (Local Area Network)) 3 are connected with above-mentioned formant 1 as the vehicle-mounted LAN of serial communication paths.

In addition, electric components such as the sensor class at ECU2 and each position that is installed on the vehicle that comprises power drive systems such as engine or air governor are connected, formant 1 can via a plurality of ECU2, and by Robert Bosch joint-stock company (the Robert Bosch GmbH) exploitation of Germany, controller area net) etc. (Controller Area Network: vehicle-mounted LAN obtains the information of vehicles that comprises identification of the vehicle (VIN:Vehicle Identify Number) to carry out CAN after the International standardization by ISO.

Formant 1 also is connected with external device (ED)s such as GPS receiver 4, temperature (humidity) sensors 5.The never illustrated gps satellite of GPS receiver 4 receives and is used for the signal that location is put in this parking stall, and temperature, the humidity of 5 pairs of vehicle-surroundings of temperature (humidity) sensor are measured, and offer formant 1 respectively.

Formant 1 comes this parking stall put according to the signal that is received by GPS receiver 4 and carries out location, generation and relevant information such as latitude, longitude, time, in addition, come whether Vehicular system is judged in the scope that can carry out regular event based on the information of measuring by temperature (humidity) sensor 5.

Formant 1 will read successively and the host CPU 10 of the program of executive logging in program storage 11 as the control maincenter, (Universal Serial Bus: USB (universal serial bus)) interface is connected with above-mentioned DVD driver 20 this host CPU 10 by serial (walking abreast) ATA (optional equipment on the AT Attachment:AT computing machine) or USB, in addition, via nonvolatile memories 12 such as internal bus and flash memory, and LAN control part 13 be connected.LAN control part 13 is responsible for carrying out interface with vehicle-mounted LAN3 according to serial communication protocol.

In addition, herein, above-mentioned nonvolatile memory 12 plays following effect: promptly, as " storage part; set and store the condition of sending of mechanism's parts of portable storage facilities (DVD storer 20) being carried out the initialization command of position alignment ", host CPU 10 plays following effect: promptly, as " control part; during first start after the assembling of portable storage facilities; whether the condition of sending of initialization command of above-mentioned storage part is consistent judges to being stored in setting; under the situation of unanimity; above-mentioned portable storage facilities is sent above-mentioned initialization command; during first start after above-mentioned portable storage facilities is installed on the vehicle, whether the condition of sending of initialization command of above-mentioned storage part is consistent judges to being stored in setting, under the situation of unanimity, above-mentioned portable storage facilities is sent above-mentioned initialization command.Details will be set forth in the back.

On the other hand, DVD driver 20 is built-in with CPU (built-in CPU200), and this built-in CPU200 comprises the various command (read/write) of the initialization command that is sent by host CPU 10 by execution, controls mechanism's parts that DVD driver 20 has.

Particularly, built-in CPU200 receives format command from host CPU 10, carries out the form control of DVD, and receives initialization command or read/write command, carries out tracking, focusing or the actuator of the pick-up head of mechanism's parts, the servocontrol of spindle drive motor etc.

The executive condition of the initialization action of the onboard system of simple declaration embodiments of the present invention herein, 1 and its validity.

Send initialization commands, carry out mechanism's parts are turned back to the situation of the initialization action of default location as 1 pair of DVD driver of formant 20,, suppose to be limited to following (1) enumerated～(6) kind situation herein.Under situation in addition, owing to do not carry out the initialization action of mechanism's parts of DVD driver 20, therefore significantly lower the generation frequency of mechanical sound, thereby, bring the chance of discomfort, sticky feeling to reach needed bottom line to the user.

(1) during the first start behind the assembling DVD driver 20

In the assembling of the formant 1 of streamline operation, because how many precision has deviation, therefore mechanism's parts of the DVD driver of installing sometimes 20 can be offset from default location, and in this case, it is effective carrying out initialization action during first start after assembling.

During first start after (2) being installed to formant 1 on the vehicle

Under situation about formant 1 being installed on the vehicle, because before this, need transmit for carrying, therefore, because of vibration, impact etc., mechanism's parts of DVD driver 20 may be offset from default location.In this case, during first start after on being installed to vehicle, when receiving the information of vehicles that can receive via vehicle-mounted LAN3, it is effective carrying out initialization action.

(3) unloading formant 1 from vehicle and making the formant 1 that is unloaded beyond vehicle, start, be installed to once more the situation on the vehicle

Because of the maintenance of formant 1, inspection, repairing etc., temporarily formant 1 is unloaded from vehicle, beyond vehicle, after starting and the place under repair, be installed to once more under the situation on the vehicle, because of vibration, impact etc., mechanism's parts of DVD driver 20 may be offset from default location.Therefore, under the situation that will install back once more through the formant 1 that unloads, maintenance overhaul is operated on the vehicle, it is effective carrying out initialization action.

The situation of (4) before system finishing, stopping power supply

Disconnection is under the situation of the power supply (battery) of formant 1 before system finishing, and when starting, mechanism's parts of DVD driver 20 may be offset from default location next time, and it is effective carrying out initialization action when starting next time.In addition, herein, so-called " ends ", for example be meant Windows (the login trade mark } in, select the end option in the start menu, thereby internal state be saved in after the normal termination processing of register etc., cut off the electricity supply, or restart.

(5) situation about changing of the vehicle location under the state of unstart

Under the state of system closing, utilize ferryboat etc. under the situation that car transports formant 1, may be because of vibration, impact etc. make mechanism's parts of DVD driver 20 be offset from default location, it is effective carrying out initialization action when starting next time.

(6) situation outside the action scope of insurance coverage of temperature, humidity arrival DVD driver 20

Under the situation outside the action scope of insurance coverage of temperature, humidity arrival DVD driver 20, owing to can not ensure the action of DVD driver 20, therefore, even when starting next time, temperature, humidity turn back in the action scope of insurance coverage of DVD driver 20, mechanism's parts also may be offset from default location, and it is effective carrying out initialization action when starting next time.

Fig. 2 be with host CPU shown in Figure 1 10, and the structure of the performed program of the built-in CPU200 of DVD driver 20 is carried out, and function is launched and the block scheme of expression.

As shown in Figure 2, host CPU 10 performed programs comprise: mark preservation portion 100, positional information acquisition unit 101, temperature (humidity) information acquiring section 102, information of vehicles acquisition unit 103, internal state monitoring unit 104, flag update condition criterion portion 105, order are sent condition criterion portion 106, are reached order sending part 107.

In mark preservation portion 100, under the various situations of above-mentioned (1)～(6), set the condition of sending of initialization command, preserve serve as a mark A (first mark), mark B (second mark), mark C (the 3rd mark), mark D (the 4th mark), mark E (the 5th mark) respectively) } }, flag F (the 6th mark).

Mark A～the flag F that is kept at mark preservation portion 100 is actually and is assigned with in the marked region that is stored in nonvolatile memory shown in Figure 1 12.Figure 10 is the state transition diagram of form of representing the state transitions of the mark A～flag F under every kind of situation of above-mentioned (1)～(6) with form.Details will be set forth in the back.

Positional information acquisition unit 101 is obtained the signal that receives based on gps receiver 4 and the result who carries out position finding, is transferred to flag update condition criterion portion 105 and orders the condition criterion portion 106 that sends.The signal that temperature (humidity) information acquiring section 102 is measured based on temperature (humidity) sensor 5 generates temperature (humidity) information, transfers to flag update condition criterion portion 105 and orders the condition criterion portion 106 that sends.

Information of vehicles acquisition unit 103 will be transferred to flag update condition criterion portion 105 via the relevant information of vehicles such as for example VIN or the speed of a motor vehicle, operating range etc. that a plurality of ECU2, vehicle-mounted LAN3, LAN control part 13 receive and condition criterion portion 106 is sent in order.

Internal state monitoring unit 104 monitors internal states such as installment state based on the action event of user's operation or formant 1, battery disconnection such as starting, finish, reset all the time, with its content delivery to flag update condition criterion portion 105.

For each mark A～flag F of having set default value in the mark preservation portion 100,105 outputs based on above-mentioned internal state monitoring unit 104 of flag update condition criterion portion are internal state information, and the combination of the external status information of positional information acquisition unit 101, temperature (humidity) information acquiring section 102, information of vehicles acquisition unit 103 transmission, carry out the judgement of flag update, respectively the value of mark A～flag F is upgraded.

Flag update condition criterion portion 105 utilizes internal state monitoring unit 104 to detect the chance of each incident, make this mark control of turning of the mark A～flag F of mark preservation portion 100, above-mentioned incident for example has the vehicle of preset distances such as the installation and measuring, the 500m under the state of unstart of starting detection, detection of end, reset detection, battery disconnection detection, formant 1 to move detections, surpass and move the temperature of allowed band, the detection of humidity etc.In addition, under each situation of above-mentioned (1)～(6), flag update condition criterion portion 105 sends condition criterion portion 106 in order described later and is judged to be and sends term harmonization, order sending part 107 with initialization command and send the timing of initialization commands to DVD driver 20, also makes the value of this mark A～flag F turn back to the control of default value.

In addition, during the first start of flag update condition criterion portion 105 after reset processing, mark A is restored to the represented value of at least one mark of flag F be the default value before upgrading.

Order is sent condition criterion portion 106 under the various situations of above-mentioned (1)～(6), the value of the mark A～flag F that is obtained based on reference marker preservation portion 100 and by the combination of the external status information of positional information acquisition unit 101, temperature (humidity) information acquiring section 102,103 transmission of information of vehicles acquisition unit, judge the condition of sending of initialization command, and control command sending part 107.

Order send condition criterion portion 106 for example during the first start after DVD driver 20 assembling, under the mark A (first mark) that sets in the marked region of nonvolatile memory 12 situation of opening, be judged to be with initialization command and send term harmonization, control command sending part 107.In addition, when the first start of condition criterion portion 106 after DVD driver 20 is installed on the vehicle sent in order, the mark B (second mark) that sets in the marked region of nonvolatile memory 12 opens and receives under the situation of the VIN that information of vehicles acquisition unit 103 obtained, be judged to be the term harmonization that sends with initialization command, control command sending part 107.

Order is sent condition criterion portion 106 and formant 1 is unloaded and makes the formant 1 that unloads in starting back beyond the vehicle, install back under the situation on the vehicle once more from vehicle temporary transient, if the mark C (the 3rd mark) that sets in the marked region of nonvolatile memory 12 opens and passes through information of vehicles acquisition unit 103 and receives under the situation of VIN, be judged to be the term harmonization that sends with initialization command, control command sending part 107.

In addition, order is sent condition criterion portion 106 and is being detected under the situation of having stopped power supply before the value that finishes update mark D (the 4th mark), if mark D opens, then is judged to be with initialization command and sends term harmonization, control command sending part 107.

Order is sent condition criterion portion 106 and the time is relatively gone up this parking stall of this parking stall before once finishing putting when starting with this in starting and put, moved more than the predetermined distance and during first start next time being judged to be, not under the state of formant 1 power supply, under the situation that mark E (the 5th mark) opens, be judged to be with initialization command and send term harmonization, control command sending part 107.

In addition, order is sent condition criterion portion 106 and is detected at least one in environment temperature, the humidity when surpassing first start after the state of action allowed band when regular event, notifying under the situation of recovering state by temperature (humidity) information acquiring section 102, if flag F (the 6th mark) is opened, then be judged to be with initialization command and send term harmonization, control command sending part 107.

On the other hand, the performed program of the built-in CPU200 of DVD driver 20 comprises order acceptance division 201 and command execution portion 202 as shown in Figure 2.

Order acceptance division 201 receives the initialization command that is sent by host CPU 10, and command execution portion 202 carries out this initialization command, thereby makes each the mechanism's parts and the default location of DVD player structure portion 203 carry out position alignment.In addition, herein, so-called DVD player structure portion 203 is mechanism's parts, is and by the input/output port actuator that be connected, pick-up head (DC motor) of built-in CPU200 control, spindle drive motor etc., by servo-drive system control, when initialization action, need carry out position alignment.

Fig. 3～Fig. 9 is the process flow diagram of action of the onboard system of expression embodiments of the present invention 1.

Below, with reference to the process flow diagram of Fig. 3～Fig. 9,, describe the action of the onboard system of Fig. 1, embodiments of the present invention 1 shown in Figure 2 in detail to the situation of each above-mentioned (1)～(6).

The action of the onboard system during at first, from (1) first start behind assembling DVD driver 20 begins explanation.Herein, like that, the mark A of mark preservation portion 100, mark B remain default value " unlatching " shown in the relation that the initialization command of Figure 10 sends condition and mark, and mark C, mark D, mark E, flag F all remain default value " closing ".

During first start behind assembling DVD driver 20 (the step ST301 of Fig. 3), the at first value (step ST302) of the mark A of reference marker preservation portion 100 of condition criterion portion 106 is sent in order, be set to (step ST302 "Yes") under the situation of unlatching, control command sending part 107 sends initialization command (step ST303) to DVD driver 20.

At this moment, receive the initialization command that sends by formant 1 by serial (walking abreast) ATA or USB by order acceptance division 201, DVD driver 20 is carried out these initialization commands by command execution portion 202, carries out the initialization action of the position alignment that is used to make mechanism's parts that DVD player structure portion 203 had.

After carrying out above-mentioned initialization action, 105 control mark preservation portions 100 of flag update condition criterion portion are set at mark A and close (step ST304), afterwards, formant 1 is transferred to system's regular event (step ST305), " the system finishing processing " shown in the process flow diagram G of execution graph 9.

In " system finishing processing ", detect by temperature (humidity) information acquiring section 102 obtain and environment temperatures in internal state monitoring unit 104, the information that humidity is relevant reaches under the situation of value that scope of insurance coverage to DVD driver 20 brings influence (step ST901 "Yes"), 105 control mark preservation portions 100 of flag update condition criterion portion set the processing (step ST902) that flag F is opened, under the situation of in scope of insurance coverage, moving (step ST901 "No"), 105 control mark preservation portions 100 of flag update condition criterion portion turn back to mark D default value are set at the processing (step ST903) of closing, system finishing (step ST904).

On the other hand, in the mark A determination processing of the step ST302 of Fig. 3, be set to (step ST302 "No") under the situation of closing the processing when formant 1 is transferred to initial start after (2) shown in the process flow diagram of B of Fig. 4 are installed to formant 1 on the vehicle at mark A.

Herein, at first, the value (step ST401) of the mark B of 106 reference marker preservation portions 100 of condition criterion portion is sent in order, be set at mark B under the situation of unlatching (step ST401 "Yes"), then, wait for receiving the VIN (step ST402 "Yes") that obtains by information of vehicles acquisition unit 103 that control command sending part 107 sends initialization command (step ST403) to DVD driver 20.At this moment, 105 control mark preservation portions 100 of flag update condition criterion portion carry out mark B is set at the control (step ST404) of closing, and afterwards, are transferred to normal system acting (step ST405).

On the other hand, in the mark B determination processing of the step ST401 of Fig. 4, be set at mark B (step ST401 "No") under the situation of closing, formant 1 be transferred to shown in the process flow diagram C of Fig. 5, (3) unload formant 1 and starting is unloaded beyond vehicle formant 1, be installed to the processing of the situation on the vehicle once more from vehicle.

Herein, at first, the value (step ST501) of the mark C of 106 reference marker preservation portions 100 of condition criterion portion is sent in order.Herein, if mark C is set to unlatching (step ST501 "Yes"), then condition criterion portion 106 control command sending parts 107 are sent in order, and DVD driver 20 is sent initialization command (step ST502).At this moment, it is the control (step ST503) of closing that 105 control mark preservation portions 100 of flag update condition criterion portion make mark C turn back to default value, afterwards, is transferred to normal system acting (step ST504).

In addition, flag update condition criterion portion 105 is in the mark C of step ST501 determination processing, be set to (step ST501 "No") under the closing state at mark C, receive information of vehicles and be (step ST505 "Yes") under the situation of VIN or do not receive as yet that (step ST505 " denys ") under the situation of VIN, control mark preservation portion 100, mark C is set at unlatching (step ST506), afterwards, be transferred to processing under the situation shown in the process flow diagram D of Fig. 6 (a) and (b), that stop power supply (4) before system finishing.

In Fig. 6 (a), the mark D (step ST601) of 106 reference marker preservation portions 100 of condition criterion portion is sent in order, if consequently mark D is set to unlatching (step ST601 " is "), then the control command sending part 107, DVD driver 20 is sent initialization command (step ST602), afterwards, be transferred to system's regular event (step ST603).In addition, in the determination processing of the mark D of step ST601, be set at mark D (step ST601 "No") under the situation of closing, flag update condition criterion portion 105 keeps the flag settings (step ST604) of the present situation that comprises mark D of mark preservation portion 100.

Fig. 6 (b) flag activation D becomes the situation of unlatching when starting in system.Promptly, internal state monitoring unit 104 stops to provide before the system finishing that the value of the mark D that detects 105 pairs of mark preservations portion of flag update condition criterion portion 100 is upgraded under the situation of power supply (battery) (step ST605), the processing when formant 1 is transferred to first start shown in the process flow diagram A of Fig. 3, behind (1) assembling DVD driver 20.Herein, the mark A (step ST302) of 106 reference marker preservation portions 100 of condition criterion portion is sent in order, consequently if mark A represents to open (step ST302 "Yes"), then the control command sending part 107, and DVD driver 20 is sent initialization command (step ST303).

In addition, in the step ST604 of Fig. 6 (a), keep the flag settings of the present situation that comprises mark D of mark preservation portion 100 after, shown in the process flow diagram E of formant 1 execution graph 7, (5) processing under the situation of vehicle change in location under the state of unstart.

Herein, the vehicle current position information that internal state monitoring unit 104 position-based information acquiring section 101 are obtained, (step ST701) put in this parking stall when coming this parking stall before the more last system finishing to put to start with this.As above-mentioned comparative result, be judged to be vehicle in internal state monitoring unit 104 and moved under the situation more than the predetermined distance (for example 500m) (step ST701 "Yes"), control mark preservation portion 100 is set at unlatching (step ST702) with mark E.

Next, internal state monitoring unit 104 is transferred to order with control and sends condition criterion portion 106, and condition criterion portion 106 control command sending parts 107 are sent in order, and DVD driver 20 is sent initialization command (step ST703).

At this moment, it is the control (step ST704) of closing that 105 control mark preservation portions 100 of flag update condition criterion portion make mark E turn back to default value, afterwards, formant 1 is transferred to normal system acting (step ST705), then, " the system finishing processing " shown in the process flow diagram G of execution graph 9.

On the other hand, in the vehicle location comparison process of step ST701, move under the situation of predetermined distance (step ST701 "No") being judged to be vehicle, shown in the process flow diagram F of formant 1 execution graph 8, (6) temperature or humidity reaches the processing under the outer situation of the action scope of insurance coverage of DVD driver 20.

Promptly, formant 1 is reference marker F (step ST801) at first, be set in flag F under the situation of unlatching (step ST801 "Yes"), further utilize internal state monitoring unit 104 to judge by temperature (humidity) information acquiring section 102 information relevant that obtain whether in the scope of insurance coverage of DVD driver 20 (step ST802) with environment temperature or humidity.

Herein, if be judged to be in the action scope of insurance coverage (step ST802 "Yes"), then internal state monitoring unit 104 is transferred to order with control and sends condition criterion portion 106, condition criterion portion 106 control command sending parts 107 are sent in order, and DVD driver 20 is sent initialization command (step ST803).At this moment, 15 control mark preservation portions 100 of flag update condition criterion portion to make flag F turn back to default value be the control (step ST804) of closing.Then, formant 1 is transferred to system's regular event (step ST805), afterwards, is transferred to executive system end process (G).

In addition, in the unlatching determination processing of the flag F of step ST801, be judged to be flag F when closing (step ST801 "No"), or in the scope of insurance coverage of step ST802 the action determination processing in, being judged to be the information relevant with environment temperature, humidity surpasses under the situation of scope of insurance coverage of DVD driver 20 (step ST802 "No"), formant 1 is transferred to system's regular event (step ST806), afterwards, is transferred to executive system end process (G).

During the system finishing of carrying out is handled herein, even temporarily become the value of the scope of insurance coverage of DVD driver 20 being brought influence with environment temperature, information that humidity is relevant by temperature (humidity) information acquiring section 102 is that obtain, also still wait for its recovery (step ST901 "Yes"), at this moment, 105 control mark preservation portions 100 of flag update condition criterion portion carry out flag F is set at the processing (step ST902) of unlatching.In addition, under the situation of in scope of insurance coverage, moving (step ST901 "No"), 105 control mark preservation portions 100 of flag update condition criterion portion, the mark D that opens when making system's starting turns back to default value is set at the processing (step ST903) of closing, as normal termination (step ST904).

As mentioned above, 1 onboard system according to the embodiment of the present invention, because for control part (host CPU 10), during first start behind assembling DVD driver 20 (situation 1), the mark A of reference marker preservation portion 100, under the situation that predetermined value is shown, send initialization command, in addition, during first start after DVD driver 20 is installed on the vehicle (situation 2), the mark B of reference marker preservation portion 100, at mark B predetermined value is shown, and receive under the situation of information of vehicles (VIN), send initialization command, thereby carry out the initialization of mechanism's parts of DVD driver 20, in addition, carry out initialization command and update mark A, the value of B turns back to default value, thereby therefore the initialization action can suppress normal starting the time can significantly reduce the occurrence frequency of mechanical sound, thereby mechanical sound produces unhappiness to the user, the chance of uncomfortable sensation reaches needed bottom line.

In addition, unloading formant 1 from vehicle and starting, be installed to once more afterwards under the situation on the vehicle (situation 3) beyond the vehicle, receive vehicle information such as VIN and mark C illustrates under the situation of predetermined value at control part (host CPU 10), DVD driver 20 is sent initialization command, thereby can carry out the initialization action of mechanism's parts of DVD driver 20.In addition, because carrying out the value of initialization command and update mark C, control part (host CPU 10) make it turn back to default value, thereby the initialization action when suppressing normal starting, therefore can significantly reduce the occurrence frequency of mechanical sound, thereby mechanical sound reaches needed bottom line to the chance that the user produces unhappiness, uncomfortable sensation.

In addition, under the situation of stopping power supply before the value that detects the mark D that is finishing update mark preservation portion 100 (situation 4), if mark D illustrates predetermined value, then control part (host CPU 10) sends initialization command, thereby carries out the initialization action of mechanism's parts of DVD driver 20.In addition, because control part (host CPU 10) is carried out the value of initialization command and update mark D, thereby the initialization action when suppressing normal starting, therefore can significantly reduce the occurrence frequency of mechanical sound, thereby mechanical sound reaches needed bottom line to the chance that the user produces unhappiness, uncomfortable sensation.

In addition, the time relatively going up this parking stall before once finishing in starting puts the result who puts this parking stall when starting with this and is judged to be vehicle to move under the situation more than the preset distance (situation 5), control part (host CPU 10) is set predetermined value to mark E, during first start after moving, if formant 1 is the state of unstart, mark E illustrates predetermined value, then sends initialization command, thereby carries out the initialization action of mechanism's parts of DVD driver 20.

In addition, because when regular event, detect environment temperature, at least one in the humidity above under the situation of the state of action allowed band (situation 6), control part (host CPU 10) is set predetermined value to the flag F of mark preservation portion 100, shown in during first start after the state-detection, if restore from temperature (humidity) sensor 5 notify status, and illustrate in flag F under the situation of predetermined value, send initialization command, thereby carry out the initialization of mechanism's parts of DVD driver 20, in addition, the value of update mark F when carrying out initialization command, make it turn back to default value, thereby therefore the initialization action can suppress normal starting the time can significantly reduce the occurrence frequency of mechanical sound, thereby mechanical sound produces unhappiness to the user, the chance of uncomfortable sensation reaches needed bottom line.

In addition, under the situation of above-mentioned (1)～(6), during first start after reset processing, flag update condition criterion portion 105 makes the value shown at least one mark in mark C～flag F restore control for the default value before upgrading, but has omitted diagram in each process flow diagram.Thus, because the initialization action can suppress normal starting the time therefore, can significantly reduce the occurrence frequency of mechanical sound, thereby mechanical sound reaches needed bottom line to the chance that the user produces unhappiness, uncomfortable sensation.

In addition, onboard system according to the embodiment 1 of the invention described above, as portable storage facilities, the situation of using DVD driver 20 is illustrated, but (Compact Disc: compact disc) (Mini Disc: Mini Disk) (Magneto Optical: magneto-optic) driver or hard disk drive can also be applied to have all portable storage facilitiess of the mechanism's parts that are used to drive the recording medium that comprises semiconductor memory for driver, MO for driver, MD can not only to be applied to CD.

In addition, according to the onboard system of embodiment 1, as information of vehicles, be that the ECU2 from external unit obtains VIN, but be not limited to VIN that vehicle information such as the also available speed information that obtains by ECU2 equally, steering angle information replace.

In addition, the function for host CPU shown in Figure 2 10 (control part) is had both can realize with software all that perhaps also available hardware realized its at least a portion.

For example, during the first start of control part behind assembly portable formula storage facilities (DVD driver 20), whether the condition of sending of initialization command of storage part (nonvolatile memory 12) is consistent judges to being stored in setting, under the situation of unanimity, portable storage facilities is sent initialization command, during first start after being installed to portable storage facilities on the vehicle, whether the condition of sending of initialization command of storage part is consistent judges to being stored in setting, under the situation of unanimity, portable storage facilities is sent initialization command, the data processing of being carried out by above-mentioned control part can be realized on computers by one or more programs, in addition, also can realize its at least a portion with hardware.

Industrial practicality

As mentioned above, onboard system of the present invention is because in order to limit the chance of carrying out initialization action as far as possible, thereby suppress the generation of mechanical sound, avoid the user is brought unhappiness, uncomfortable sensation, comprising: in-vehicle information apparatus, this in-vehicle information apparatus is equipped with portable storage facilities; And external equipment, this external equipment is connected with above-mentioned in-vehicle information apparatus by serial communication paths, onboard system comprises: the condition of sending of mechanism's parts of above-mentioned portable storage facilities being carried out the initialization command of position alignment is set and stored to storage part, this storage part; And control part, this control part is when the first start of assembling behind the above-mentioned portable storage facilities, whether the condition of sending of initialization command of above-mentioned storage part is consistent judges to being stored in setting, in consistent situation, above-mentioned portable storage facilities is sent above-mentioned initialization command, during first start after being installed to above-mentioned portable storage facilities on the vehicle, whether the condition of sending of initialization command of above-mentioned storage part is consistent judges to being stored in setting, in consistent situation, above-mentioned portable storage facilities is sent above-mentioned initialization command, therefore, be not only applicable to navigation, also be applicable to and process various videos, the onboard system of the in-vehicle information apparatus of sound etc.

Claims

1. A vehicle-mounted system, comprising:

A vehicle-mounted information device, the vehicle-mounted information device is equipped with a portable storage device; and an external device, the external device is connected to the vehicle-mounted information device through a serial communication path, characterized in that it includes:

a storage unit that sets and stores a condition for issuing an initialization command for aligning a mechanism part of the portable storage device; and

A control unit that checks whether or not the condition for issuing the initialization command that is set and stored in the storage unit is consistent when the portable storage device is started up for the first time after being assembled to the vehicle, or when the portable storage device is started up for the first time after being mounted on a vehicle. If it is determined that they are consistent, send the initialization command to the portable storage device.

2. The vehicle-mounted device according to claim 1, wherein

the control unit

When the first flag set and stored in the predetermined area of the storage unit shows a predetermined value, it is determined that it matches the sending condition of the initialization command, the initialization command is sent to the portable storage device, and the the value of the first token,

When the second flag set and stored in a predetermined area of the storage unit shows a predetermined value and the vehicle information transmitted from the external device through the serial communication path is received, it is determined that the Send the initialization command to the portable storage device, and update the value of the second flag if the sending condition of the initialization command is consistent.

3. The vehicle-mounted system as claimed in claim 1, characterized in that

the storage unit

having a third flag which is set and stored as a predetermined value when the vehicle-mounted information device is removed,

the control unit

In the case where the in-vehicle information equipment is mounted on the vehicle again after the in-vehicle information equipment is detached from the vehicle and started outside the vehicle, upon receiving the The vehicle information sent through the serial communication path, and when the third flag shows a predetermined value, it is determined that it matches the sending condition of the initialization command, the initialization command is sent to the portable storage device, and The value of the third flag is updated.

4. The vehicle-mounted system as claimed in claim 1, characterized in that,

the storage unit,

having a fourth flag which is set at start-up and stored as a predetermined value,

the control unit

When it is detected that the power supply has stopped before the update of the value of the fourth flag is completed, the fourth flag is referred to, and when the fourth flag shows a predetermined value, it is determined that it is related to the initialization command. If the sending conditions are consistent, the initialization command is sent to the portable storage device, and the value of the fourth flag is updated.

5. The vehicle-mounted system as claimed in claim 1, characterized in that,

the storage unit

with the fifth mark,

the control unit

At the time of starting, compare the position of the own vehicle before the end of the previous time and the position of the own vehicle at the time of starting this time, and when it is determined that the vehicle has moved a predetermined distance or more as a result of the comparison, the fifth flag is set predetermined value,

When the vehicle-mounted information device is not activated at the first startup after the movement, if the fifth flag shows a predetermined value, it is determined that it is consistent with the sending condition of the initialization command. The storage device sends the initialization command, and updates the value of the fifth flag.

6. The vehicle-mounted system as claimed in claim 1, characterized in that,

the storage unit

with the sixth mark,

the control unit

During normal operation, when it is detected that at least one of ambient temperature and humidity exceeds the allowable range of the portable storage device, a predetermined value is set to the sixth flag,

When the first startup after the state is detected, when the state recovery is notified from the external device, if the sixth flag shows a predetermined value, it is determined that the condition for issuing the initialization command matches. , sending the initialization command to the portable storage device, and updating the value of the sixth flag.

7. The vehicle-mounted system as claimed in claim 2, characterized in that,

the control unit

When starting for the first time after the reset process, the value indicated by at least one of the first flag or the second flag is restored to a default value before updating.

8. The vehicle-mounted system according to claim 3, wherein:

the control unit

At the first startup after the reset process, the value indicated by the third flag is restored to the default value before the update.

9. The vehicle-mounted system as claimed in claim 4, characterized in that,

the control unit

At the first startup after the reset process, the value indicated by the fourth flag is restored to the default value before the update.

10. The vehicle-mounted system as claimed in claim 5, characterized in that,

the control unit

At the first startup after the reset process, the value indicated by the fifth flag is restored to the default value before the update.

11. The vehicle-mounted system according to claim 6, wherein:

the control unit

At the first startup after the reset process, the value indicated by the sixth flag is returned to the default value before the update.